Originally Posted by
roberto99
Although the terminal change takes time, you MAY not need to go through immigration and customs since you are not entering China.
Still, 90 minutes is just way too short.
Enjoy Japan. I think it's the best of Asia!
You clearly haven't been to PEK before. Don't give OP wrong "advise".
You can't switch between T2 and T3 (and vice versa) airside. You've to get landside, using their 24/72hrs TWOV program.
Personally, I found pretty much every other Asian country more interesting than Japan, by the way.